Add spellcheck and word suggestion to the prediction service

services/prediction/BUILD.gn

Index: services/prediction/BUILD.gn
diff --git a/services/prediction/BUILD.gn b/services/prediction/BUILD.gn
index 9d8e5311e7c83b5943745a3f69fa0cb66fe20053..d45b2e6a94861b7a589cc9be77f51353946b99cf 100644
--- a/services/prediction/BUILD.gn
+++ b/services/prediction/BUILD.gn
@@ -3,18 +3,31 @@
 # found in the LICENSE file.
 
 import("//mojo/public/mojo_application.gni")
+import("//mojo/tools/embed/rules.gni")
 
 mojo_native_application("prediction") {
   output_name = "prediction_service"
 
   sources = [
+    "dictionary_service.cc",
+    "dictionary_service.h",
+    "input_info.cc",
+    "input_info.h",
+    "key_set.h",
     "prediction_service_impl.cc",
     "prediction_service_impl.h",
+    "proximity_info_factory.cc",
+    "proximity_info_factory.h",
+    "touch_position_correction.cc",
+    "touch_position_correction.h",
   ]
 
   deps = [
+    ":dict_file",
+    "//base",
     "//mojo/application",
     "//mojo/services/prediction/public/interfaces",
+    "//third_party/prediction:suggest",
   ]
 }
 
@@ -36,3 +49,9 @@ mojo_native_application("apptests") {
 
   data_deps = [ ":prediction($default_toolchain)" ]
 }
+
+embed_file("dict_file") {
+  source = "res/main_en.dict"
+  namespace = "prediction"
+  variable = "kDictFile"
+}